swe have different size quick coupler to fit most of excavator. EDT qucik coupler, quick link, easy operation with super performance. ... rock hammer has been certificated by ISO, CE. 2, Applicable excavator: from 0.8-55ton. EDT hammer can be applied for ... all the makes andmodels of excavator, such as, Cat, Komatsu, Hitachi, kobelco, JCB, John Deere, Volvo ...